Did the backup job on 03-Oct fill the disk?  Did you check for syslog messages
for that date too?

Also, did you include the complete output below from the backup jobid 12068?
I would expect more information to be printed between 03-Oct 23:06 and 03-Oct
23:19 about the volumes being used and the reason for changing from volume-10
to volume-11.

__Martin


>>>>> On Thu, 21 Oct 2021 16:27:13 +0200, Marko Bartolić said:
> 
> Hello,
> 
> I hope this is the right place to ask.
> 
> We have Bacula version 9.6.5. on a RHEL 8.2 physical server. We use copy 
> job that runs every 6 months and copies the last full backup of 22 
> clients to a separate SCSI disk which is then pulled out from the server 
> for offsite backup. So both the backup disks and disk on which the 
> backups are later copied are local, physical disks in the machine. This 
> was working fine every time up to now. During last run of the copy job, 
> we noticed the following error on one of the copy jobs:
> 
> 21-Oct 04:00 backup-dir JobId 12612: Copying using JobId=12068 
> Job=websrv.2021-10-03_23.05.00_12
> 21-Oct 05:45 backup-dir JobId 12612: Start Copying JobId 12612, 
> Job=Copy-to-offsite-disk.2021-10-21_04.00.01_36
> 21-Oct 05:45 backup-dir JobId 12612: Using Device "backup-device-data1" to 
> read.
> 21-Oct 05:45 backup-sd JobId 12612: Ready to read from volume "volume-10" on 
> File device "backup-device-data1" (/data1).
> 21-Oct 05:45 backup-sd JobId 12612: Forward spacing Volume "volume-10" to 
> addr=641829209227
> *21-Oct 05:46 backup-sd JobId 12612: Warning: block.c:682 [SE0208] Volume 
> data error at 0:0! Short block of 42967 bytes on device "backup-device-data1" 
> (/data1) discarded. **
> **21-Oct 05:46 backup-sd JobId 12612: Error: read_records.c:160 block.c:682 
> [SE0208] Volume data error at 0:0! Short block of 42967 bytes on device 
> "backup-device-data1" (/data1) discarded. *
> 21-Oct 05:46 backup-sd JobId 12612: End of Volume "volume-10" at 
> addr=653197996032 on device "backup-device-data1" (/data1).
> 21-Oct 05:46 backup-sd JobId 12612: Ready to read from volume "volume-11" on 
> File device "backup-device-data1" (/data1).
> 21-Oct 05:46 backup-sd JobId 12612: Forward spacing Volume "volume-11" to 
> addr=64742
> 21-Oct 05:50 backup-sd JobId 12612: End of Volume "volume-11" at 
> addr=49666111453 on device "backup-device-data1" (/data1).
> 21-Oct 05:50 backup-sd JobId 12612: Elapsed time=00:05:02, Transfer 
> rate=16.65 M Bytes/second
> 21-Oct 05:50 backup-dir JobId 12612: Error: Bacula backup-dir 9.6.5 (11Jun20):
>   Build OS:               x86_64-redhat-linux-gnu-bacula redhat (Core)
>   Prev Backup JobId:      12068
>   Prev Backup Job:        websrv.2021-10-03_23.05.00_12
>   New Backup JobId:       12613
>   Current JobId:          12612
>   Current Job:            Copy-to-offsite-disk.2021-10-21_04.00.01_36
>   Backup Level:           Full
>   Client:                 backup-fd
>   FileSet:                "backup" 2020-09-17 21:53:08
>   Read Pool:              "Default" (From Command input)
>   Read Storage:           "backup-storage-data1" (From Pool resource)
>   Write Pool:             "Offsite" (From Command input)
>   Write Storage:          "backup-storage-data2" (From Command input)
>   Catalog:                "MyCatalog" (From Client resource)
>   Start time:             21-Oct-2021 05:45:32
>   End time:               21-Oct-2021 05:50:42
>   Elapsed time:           5 mins 10 secs
>   Priority:               10
> * SD Files Written:       200,038 **
> ** SD Bytes Written:       5,029,190,722 (5.029 GB) *
>   Rate:                   16223.2 KB/s
>   Volume name(s):         vol-01
>   Volume Session Id:      5353
>   Volume Session Time:    1619097903
>   Last Volume Bytes:      573,628,844,941 (573.6 GB)
>   SD Errors:              1
>   SD termination status:  OK
>   Termination:            *** Copying Error ***
> 
> 
> 
> Job ends with error, but upon checking the backup size and number of 
> files of the original "websrv" backup job (which was successful), we see 
> that the number of files and bytes written are the same as is in the 
> copy job:
> 
> 03-Oct 23:06 backup-dir JobId 12068: Start Backup JobId 12068, 
> Job=websrv.2021-10-03_23.05.00_12
> 03-Oct 23:06 backup-dir JobId 12068: Using Device "backup-device-data1" to 
> write.
> 03-Oct 23:06 websrv-fd JobId 12068: shell command: run ClientBeforeJob 
> "/etc/bacula/scripts/mariadb-backup.sh"
> 03-Oct 23:10 websrv-fd JobId 12068:      /srv/cpap is a different filesystem. 
> Will not descend from / into it.
> 03-Oct 23:19 backup-sd JobId 12068: Elapsed time=00:13:26, Transfer 
> rate=6.239 M Bytes/second
> 03-Oct 23:19 backup-sd JobId 12068: Sending spooled attrs to the Director. 
> Despooling 53,043,158 bytes ...
> 03-Oct 23:19 backup-dir JobId 12068: Bacula backup-dir 9.6.5 (11Jun20):
>    Build OS:               x86_64-redhat-linux-gnu-bacula redhat (Core)
>    JobId:                  12068
>    Job:                    websrv.2021-10-03_23.05.00_12
>    Backup Level:           Full
>    Client:                 "websrv-fd" 9.0.6 (20Nov17) 
> x86_64-redhat-linux-gnu,redhat,Enterprise 8.1
>    FileSet:                "websrv" 2020-09-17 23:05:00
>    Pool:                   "Default" (From Job resource)
>    Catalog:                "MyCatalog" (From Client resource)
>    Storage:                "backup-storage-data1" (From Pool resource)
>    Scheduled time:         03-Oct-2021 23:05:00
>    Start time:             03-Oct-2021 23:06:04
>    End time:               03-Oct-2021 23:19:37
>    Elapsed time:           13 mins 33 secs
>    Priority:               10
> *FD Files Written: 200,038 SD Files Written: 200,038 FD Bytes Written: 
> 4,996,564,202 (4.996 GB) SD Bytes Written: 5,029,190,722 (5.029 GB)*
>    Rate:                   6145.8 KB/s
>    Software Compression:   40.9% 1.7:1
>    Comm Line Compression:  16.7% 1.2:1
>    Snapshot/VSS:           no
>    Encryption:             no
>    Accurate:               no
>    Volume name(s):         volume-10|volume-11
>    Volume Session Id:      4812
>    Volume Session Time:    1619097903
>    Last Volume Bytes:      49,996,799,959 (49.99 GB)
>    Non-fatal FD errors:    0
>    SD Errors:              0
>    FD termination status:  OK
>    SD termination status:  OK
>    Termination:            Backup OK
> 
> 03-Oct 23:19 backup-dir JobId 12068: Begin pruning Jobs older than 6 months .
> 03-Oct 23:19 backup-dir JobId 12068: Pruned 1 Job for client websrv-fd from 
> catalog.
> 03-Oct 23:19 backup-dir JobId 12068: Begin pruning Files.
> 03-Oct 23:19 backup-dir JobId 12068: Pruned Files from 1 Jobs for client 
> websrv-fd from catalog.
> 03-Oct 23:19 backup-dir JobId 12068: End auto prune.
> 
> 
> I also don't see any errors in messages or dmesg output.
> 
>  From what I gathered from an older thread: 
> https://marc.info/?l=bacula-devel&m=123237957307571&w=2 
> <https://marc.info/?l=bacula-devel&m=123237957307571&w=2> , this points 
> that copying completed successfully. Also mentioned in the thread is 
> that "Maximium Block Size" could be the problem, but we haven't defined 
> that property.
> 
> Does anyone know what could cause this?
> 
> 
> BR
> 
> -- 
> Marko Bartolić, Nimium d.o.o., email:<marko.barto...@nimium.hr>
> 


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